for Vietnamese (VN) language characters:
Last updated: April 2026. Based on current Tai Viet Unicode block (U+AA80–U+AADF), Keyman 16.0+, and community-maintained UniSHX mappings. tai font vn unishx upd
After download, check the version. Right-click the font file > Properties > Details. Look for: for Vietnamese (VN) language characters: Last updated: April